Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
レコメンデーションのターゲットメトリックスの設定 / ML loft 3
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Rei Kubonaga
June 21, 2019
Technology
6.3k
5
Share
レコメンデーションのターゲットメトリックスの設定 / ML loft 3
Wantedly Visitのレコメンデーションシステムの全体像を話をした後、ユーザエンゲージメントを良くするためのターゲットの設定方法についてお話しました。
Rei Kubonaga
June 21, 2019
More Decks by Rei Kubonaga
See All by Rei Kubonaga
機械学習プロジェクトの アイデア出しと事前影響評価 / evaluate machine learning projects
reikubonaga
11
3k
機械学習を使った レコメンデーション / visit-recommendation2019
reikubonaga
5
2.2k
2017年度のインターン向け - Wantedlyの開発とは
reikubonaga
1
11k
Other Decks in Technology
See All in Technology
Claude Code を安全に使おう勉強会 / Claude Code Security Basics
masahirokawahara
1
7.1k
[OpsJAWS 40]リリースしたら終わり、じゃなかった。セキュリティ空白期間をAWS Security Agentで埋める
sh_fk2
3
200
Rapid Start: Faster Internet Connections, with Ruby's Help
kazuho
2
140
昔はシンプルだった_AmazonS3
kawaji_scratch
0
300
Code Interpreter で、AIに安全に コードを書かせる。
yokomachi
0
6.8k
みんなの「データ活用」を支えるストレージ担当から持ち込むAWS活用/コミュニティー設計TIPS 10選~「作れる」より、「続けられる」設計へ~
yoshiki0705
0
210
AWS DevOps Agentはチームメイトになれるのか?/ Can AWS DevOps Agent become a teammate
kinunori
6
640
Introduction to Sansan for Engineers / エンジニア向け会社紹介
sansan33
PRO
6
74k
The Journey of Box Building
tagomoris
4
280
AI時代にデータ基盤が持つべきCapabilityを考える + Snowflake Data Superheroやっていき宣言 / Considering the Capabilities Data Platforms Should Have in the AI Era + Declaration of Commitment as a Snowflake Data Superhero
civitaspo
0
110
扱える不確実性を増やしていく - スタートアップEMが考える「任せ方」
kadoppe
0
220
Introduction to Sansan, inc / Sansan Global Development Center, Inc.
sansan33
PRO
0
3k
Featured
See All Featured
The B2B funnel & how to create a winning content strategy
katarinadahlin
PRO
1
330
The agentic SEO stack - context over prompts
schlessera
0
740
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
auna
0
120
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
254
22k
Joys of Absence: A Defence of Solitary Play
codingconduct
1
340
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
12
1.1k
Why Your Marketing Sucks and What You Can Do About It - Sophie Logan
marketingsoph
0
130
What's in a price? How to price your products and services
michaelherold
247
13k
Believing is Seeing
oripsolob
1
110
BBQ
matthewcrist
89
10k
brightonSEO & MeasureFest 2025 - Christian Goodrich - Winning strategies for Black Friday CRO & PPC
cargoodrich
3
680
Bridging the Design Gap: How Collaborative Modelling removes blockers to flow between stakeholders and teams @FastFlow conf
baasie
0
510
Transcript
©2019 Wantedly, Inc. Ϩίϝϯσʔγϣϯͷ λʔήοτϝτϦοΫε ML @ Loft #3 Jun
21, 2019 - Rei Kubonaga ϢʔβΤϯήʔδϝϯτΛྑ͘͢ΔͨΊͷλʔήοτઃఆ
©2019 Wantedly, Inc. !LVCPOBHBSFJ3FJ,VCPOBHB w 8BOUFEMZਓͷࣾһ w 8BOUFEMZ7JTJUͷ։ൃνʔϜͷϚωʔδϟʔ w ϨίϝϯσʔγϣϯνʔϜϦʔμʔͱͯ͠νʔϜͷ্ཱͪ͛Λߦ͏
ࣗݾհ
©2019 Wantedly, Inc. Wantedly Visit ࢲͨͪͷϓϩμΫτ!ձࣾ๚αʔϏε
©2019 Wantedly, Inc. ϨίϝϯσʔγϣϯΛ͍ͬͯΔॴ Ϣʔβը໘ͰɺΞϓϦΛ։͘ͱ࠷ॳʹදࣔ͞ΕΔը໘ͷ ϨίϝϯσʔγϣϯΛ։ൃ͍ͯ͠·͢ɻ ʮ͓͢͢ΊͷืूʯʮϑΟϧλϦϯάʯʮΩʔϫʔυݕࡧʯ ͱͦΕͧΕҟͳΔΞϧΰϦζϜͰ࣮͍ͯ͠·͢ɻ ఆ؍ଌ͍ͯ͠Δࢦඪͱͯ͠ɺ ʮืू͕දࣔ͞Ε͔ͯΒɺΛฉ͖ʹߦׂ͘߹ʯ
ͳͲݟ͍ͯ·͢ɻ ࠷ॳͷ ͓͢͢Ίืू ϑΟϧλϦϯ ά Ωʔϫʔυ ݕࡧ
©2019 Wantedly, Inc. ࠓ͠Λ͢Δ͜ͱ ืूΛද͔ࣔͯ͠ΒɺΛฉ͖ʹߦׂ͘߹ͷਪҠ (20173݄͔Β20195݄ɻ20173݄Λ100%ͱ͍ͯ͠Δ) 2લʹɺϨίϝϯσʔγϣϯνʔϜΛൃ͠ɺ ػցֶशΛͬͨϨίϝϯσʔγϣϯΛ௨ͯ͡ɺ ϢʔβମݧΛେ͖͘վળ͠·ͨ͠ɻ ࣮ࡍɺʮืूΛද͔ࣔͯ͠ΒɺΛฉ͖ʹߦ֬͘ʯͱ͍
͏ॏཁͳࢦඪ͕2ഒҎ্ʹվળ͠·ͨ͠ɻ ݄ͱൺֱ ͯ͠ͷվળ /FX "MHPSJUIN /FX "MHPSJUIN /FX "MHPSJUIN /FX "MHPSJUIN /FX "MHPSJUIN
©2019 Wantedly, Inc. Wantedly VisitͷϨίϝϯσʔγϣϯ .-NPEFM Ϣʔβͷߦಈσʔλ Ϣʔβͷσʔλ ΞΠςϜͷσʔλ ݕࡧΫΤϦ
Ϣʔβ Τϯήʔδϝϯτ είΞ σʔλ λʔήοτ
©2019 Wantedly, Inc. σʔλλΠϓ Ϣʔβͷߦಈσʔλ ɾInteraction (ΞΠςϜʹରͯ͠ɺӾཡɺΫϦοΫɺϒοΫϚʔΫͳͲ) ɾInteger (ΞΫηε, ࠷ऴΞΫηεͳͲ)
Ϣʔβ / ΞΠςϜͷσʔλ ɾInteger (બ͍ͯ͠Δ৬छɺྸͷൣғ, ϒοΫϚʔΫͳͲ) ɾBoolean (Ԡื͔ͨ͠ɺ࠷ۙొ͔ͨ͠ɺֶੜ͔ɺΞϓϦΛ͍ͬͯΔ͔) ɾText (ืूཁ߲ɺࣗݾհɺֶྺɺ৬ྺ) ɾImage (ืूͷը૾ɺϓϩϑΟʔϧը૾)
©2019 Wantedly, Inc. ϢʔβΤϯήʔδϝϯτείΞ αʔϏεʹର͢ΔѪணΛද͢είΞ ɾϢʔβɺΞΠςϜ͝ͱʹɺϢʔβΤϯήʔδϝϯτΛͲͷ͘Β͍ߴΊΒΕΔ͔දͨ͠είΞ Ϣʔβମݧͷ࣭Λఆٛ͢Δࢦඪ ɾΑ͘ΫϦοΫ͞ΕΔɺΑ͘Ԡื͞ΕΔɺͬͯ͘͘ΕΔɺසൟʹͬͯ͘ΕΔͳͲ λʔήοτΤϯήʔδϝϯτʹ૬͕ؔ͋Δ ɾΫϦοΫ͞ΕΔ͜ͱʹΑͬͯɺΤϯήʔδϝϯτ͕ඞͣ͠ߴ͘ͳΔΘ͚Ͱͳ͍
©2019 Wantedly, Inc. Ϩίϝϯσʔγϣϯͷ࣮ -JHIU(#. // Ϣʔβͷಛ ΞΠςϜͷಛ ΫΤϦͷಛ Έ߹Θͤͨಛ
Ϣʔβ Τϯήʔδϝϯτ είΞ (SBQI 1SPDFTTJOH /-1 Ϣʔβͷߦಈσʔλ Ϣʔβͷଐੑ ΞΠςϜͷଐੑ ݕࡧΫΤϦ Interaction data Text Integer, Boolean Feature Data Target
©2019 Wantedly, Inc. Ϩίϝϯσʔγϣϯʹ͓͚Δλʔήοτ λʔήοτͱͳʹ͔ ɾϥϯΩϯά͕Ϣʔβʔʹͱͬͯྑ͔͔ͬͨѱ͔͔ͬͨΛஅ͢ΔͨΊͷࣈ λʔήοτͷઃఆͷ͠͞ ɾΫϦοΫͯ͠ίϯςϯπΛݟͯͳ͍͔͠Εͳ͍ ɾϒοΫϚʔΫԠืͩͱใु͕ͳׂ͍߹͕૿͑Δ ɾͨ͘͞Μݟ͗͢Δͱ͍͏͜ͱɺٯʹѱ͍ମݧ͔͠Εͳ͍
ɾPCͱΞϓϦͰϢʔβͷಈ͖ҟͳΔ VisitͰɺϢʔβΤϯήʔδϝϯτʹ૬͕ؔ͋ΔࣈΛλʔήοτͱͯ͠ઃఆ
©2019 Wantedly, Inc. Τϯήʔδϝϯτͱɺstickiness͕ߴ͍͜ͱ /FX 6TFS "DUJWF6TFS %PSNBOU6TFS Acquisition Activation
Disengagement Disengagement Re-engagement Churn stickiness ͍͔ʹActiveͰ͋Γଓ͚Δ͔ ๚සɺར༻࣌ؒͰஅ
©2019 Wantedly, Inc. ΤϯήʔδϝϯτΛܾΊΔํ๏ ΠϯλϏϡʔ αʔϕΠ ΧελϚʔδϟʔχʔ FUD ΦϯϥΠϯ ੳ
ɾఆྔత ɾεέʔϧͯ͠ࢼͤΔ ɾϢʔβͷແҙࣝͷಈ͖ ɾ٬؍త ɾظత,ظత ɾఆੑ ɾ෦తʹߦ͏ ɾ࣮ݧதͷಈ͖ ɾओ؍త,٬؍త ɾظత
©2019 Wantedly, Inc. ΦϯϥΠϯͷੳͰߦ͏͜ͱ .FBTVSFNFOU .FUSJD ,1* αʔϏεͷதͰखʹೖΔ ఆྔతͳ ɾӾཡ
ɾӾཡ ɾΫϦοΫ Measurement͔Βܭࢉɾੳ ͍͢͠ܗʹܗͨ͠ࣈ ɾΫϦοΫ ɾΞΫςΟϒϢʔβ ɾMRR/AUC/Precision/NDCG Business/Service্ͷඪʹରͯ͠ ॏཁͳӨڹΛ༩͑Δࢦඪ ɾϢʔβΤϯήʔδϝϯτείΞ ɾاۀͷܧଓɾARPU ɾ৽نϢʔβͷϦςϯγϣϯ Measurement͔ΒMetricͱKPIΛܭࢉ͢Δ͜ͱ
©2019 Wantedly, Inc. Τϯήʔδϝϯτͷܭࢉྫ .FBTVSFNFOU .FUSJD ,1* ɾ͋ΔΞΠςϜͷӾཡ࣌ؒ ɾ͋ΔΞΠςϜΛදࣔͨ͠ॱ൪ ɾ͋ΔΞΠςϜͷΫϦοΫͨ࣌ؒ͠
ɾ͋ΔΞΠςϜͷΞΫγϣϯ (ϒοΫϚʔΫɺԠื) ɾηογϣϯͷ࣌ؒ ɾηογϣϯதͷӾཡͱԠื ɾ࠶๚ͨ࣌ؒ͠ ɾΫϦοΫ/ϒοΫϚʔΫ ɾԠื/࠾༻ ɾMRR/AUC/nDCG (্Ґʹදࣔͨ͠ͷ͕ ΞΫγϣϯ͞Ε͔ͨ) ɾܧଓ ɾར༻࣌ؒ ɾΞΠςϜΧόϨοδ (ಛఆͷاۀʹूதͯ͠ͳ͍͔) ɾϢʔβΤϯήʔδϝϯτείΞ ෳͷࢦඪΛΈ߹ΘͤΔ ֶशʹ͏Ϣʔβͷݶఆ ߦͬͨ
©2019 Wantedly, Inc. Τϯήʔδϝϯτͷܭࢉ 5VOJOH &WBMVBUF 0OMJOF 5FTU Tuning ->
Online Test -> EvaluateͷαΠΫϧΛΞϧΰϦζ Ϝ͚ͩͰͳ͘ɺϢʔβΤϯήʔδϝϯτείΞʹ͍ͭͯߦ ͏ ɾείΞࣗମͷΈ߹Θͤํແݶɻৗʹਖ਼͍͠ղͳ͍ ɾΑΓΑ͍ࣈৗʹ͋Γɺඞͣ͠ෳࡶʹ͢ΕΑ͍Θ ͚Ͱͳ͍ɻ(ΫϦοΫ࣌ؒ => ฏۉ, ۠ؒ, ࿈ଓ) ɾαʔϏεͷϑΣΠζʹΑͬͯ࠷దԽ͢ΔͷมΘΔ ɾΦϑϥΠϯͷςετͱΦϯϥΠϯͷςετ͕ಉ݁͡Ռ ͔ɺಛʹҟͳͬͨ࣌ʹཧ༝ΛௐΔ
©2019 Wantedly, Inc. • DNNͷར༻ • ਪનཧ༝ͷઆ໌ • όϯσΟοτ •
ϑΣΞωε • ਪનʹదͨ͠UI ͜Ε͔Β͍ͨ͜͠ͱ
©2019 Wantedly, Inc. ؔ࿈ͨ͠ϒϩάॻ͍ͯ·͢ https://www.wantedly.com/companies/wantedly/post_articles/155593 https://www.wantedly.com/companies/wantedly/post_articles/169261
©2019 Wantedly, Inc. Mobile FrontendʗBackend Infrastructure New! We are hiring!!
https://www.wantedly.com/companies/wantedly